IMHO..

If Toyota doesn't screw with the xB too much ie: no stretching the box[shorter it is the easier to manuver and park] and retaining the overall concept of less is more..

and retain the KISS formula..."Keep It Simple Stupid"

.. I forsee it's sales will continue'n to climb,

from what I have seen of the "over 55" age group, they are just now really taking a hard "2nd look"at the xB.. due to fuel costs and versitility while trying to live on a "fixed income"

Altho more sleek and sofisticated ....the Tc and xA are much more difficult to enter and exit when one cannot bend like the youngsters..thereby not as appealing to the oldsters..